更新 mq_setattr

2023-01-07 02:17:53 +00:00 · 2023-01-07 02:17:53 +00:00 · e6ce21e4b5
commit e6ce21e4b5
parent dcaa0c166d
1 changed files with 4 additions and 1 deletions
--- a/components/libc/posix/ipc/mqueue.c
+++ b/components/libc/posix/ipc/mqueue.c
@ -85,7 +85,10 @@ int mq_setattr(mqd_t                 mqdes,
               const struct mq_attr *mqstat,
               struct mq_attr       *omqstat)
 {
-    rt_set_errno(-RT_ERROR);
+    if (mqstat == RT_NULL)
+        return mq_getattr(mqdes, omqstat);
+    else
+        rt_set_errno(-RT_ERROR);

    return -1;
 }